Home / 4,876.72-7,315.08-3,144.12

Finding the Fourth Proportional to 4,876.72, 7,315.08 and 3,144.12

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Solution

The fourth proportional to 4,876.72, 7,315.08 and 3,144.12 is: 4,716.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,876.72 : 7,315.08 = 3,144.12 : x
  2. Step 2: Convert to fraction form
    4,876.72/7,315.08 = 3,144.12/x
  3. Step 3: Cross multiply
    4,876.72x = 7,315.08 × 3,144.12
  4. Step 4: Simplify right side
    4,876.72x = 22,999,489.33
  5. Step 5: Solve for x
    x = 22,999,489.33/4,876.72
  6. Step 6: Final answer
    x = 4,716.18

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.